| 1. | Theory and practice of integrated coal mining and gas extraction
采煤采气一体化理论与实践 |
| 2. | Numerical modeling of gas extraction by relief pressure from a long - distance
远程卸压瓦斯抽放数值模拟 |
| 3. | Construction technique of foam method for drilling long gas extraction hole
泡沫法施工瓦斯抽放长孔工艺 |
| 4. | Several key problems in optical design for movable gas extraction system
移动式瓦斯抽放系统优化设计中的关键问题 |
| 5. | Oil and gas extraction
石油及气体抽取 |
| 6. | The mining , oil extraction , and gas extraction industries form yet another group
从事采矿、采油和采气行业的焊工组成另外一个群体。 |
| 7. | Gas extraction techniques and movement properties of long distance and pressure relief rock mass upon exploited coal seam
上覆远程卸压岩体移动特性与瓦斯抽采技术 |
| 8. | Talkig about the comprehensive treatment to upper angle gas at combined mining face with mobile gas extraction pump
浅谈利用移动式瓦斯抽放泵综合治理综采工作面上隅角瓦斯 |
| 9. | Standard test method for the determination of total hydrogen content of uranium oxide powders and pellets by carrier gas extraction
用载气萃取法测定二氧化铀粉末或颗粒中氢的总含量的标准试验方法 |
| 10. | Nevertheless , it was possible to equip the gas extraction sites with high - availability connections for the remote control and monitoring of extraction systems
然而，它可在瓦斯抽放地配置具有高可用性连接的遥控系统和天然气抽取监测系统。 |
